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प्रश्न
A moss plant is unable to complete its life cycle in a dry environment. State two reasons.
उत्तर
A moss plant is unable to complete its life cycle in a dry environment because
- In mosses, fertilisation of male and female gametes takes place in water.
- The male gametes antherozoids swim in water to reach the eggs for sexual reproduction to take place.
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संबंधित प्रश्न
Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy.
How are ‘pollen banks’ useful?
The functions of tapetum is to ______.
Generative cell was destroyed by laser but a normal pollen tube was still formed because ______.
Spiny or sticky pollen grains and large, attractively coloured flowers are associated with ______.
The stamens represent ______.
The innermost layer of anther is tapetum whose function is ______.
Several pollen grains form a unit designated as pollinium in Family ______.
Pollen kitt is generally found in ______.
When the pollen of a flower is transferred to the stigma of another flower on the same plant, the process is known as ______.
